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wcrtomb_l(3) [osx man page]

WCRTOMB(3)						   BSD Library Functions Manual 						WCRTOMB(3)

NAME
wcrtomb, wcrtomb_l -- convert a wide-character code to a character (restartable) LIBRARY
Standard C Library (libc, -lc) SYNOPSIS
#include <wchar.h> size_t wcrtomb(char *restrict s, wchar_t wc, mbstate_t *restrict ps); #include <wchar.h> #include <xlocale.h> size_t wcrtomb_l(char *restrict s, wchar_t wc, mbstate_t *restrict ps, locale_t loc); DESCRIPTION
The wcrtomb() function stores a multibyte sequence representing the wide character wc, including any necessary shift sequences, to the char- acter array s. A maximum of MB_CUR_MAX bytes will be stored. If s is NULL, wcrtomb() behaves as if s pointed to an internal buffer and wc were a null wide character (L''). The mbstate_t argument, ps, is used to keep track of the shift state. If it is NULL, wcrtomb() uses an internal, static mbstate_t object, which is initialized to the initial conversion state at program startup. While the wcrtomb() function uses the current locale, the wcrtomb_l() function may be passed a locale directly. See xlocale(3) for more information. RETURN VALUES
The wcrtomb() functions returns the length (in bytes) of the multibyte sequence needed to represent wc, or (size_t)-1 if wc is not a valid wide character code. ERRORS
The wcrtomb() function will fail if: [EILSEQ] An invalid wide character code was specified. [EINVAL] The conversion state is invalid. SEE ALSO
mbrtowc(3), multibyte(3), setlocale(3), wctomb(3), xlocale(3) STANDARDS
The wcrtomb() function conforms to ISO/IEC 9899:1999 (``ISO C99''). BSD
April 8, 2004 BSD

Check Out this Related Man Page

WCRTOMB(3)						   BSD Library Functions Manual 						WCRTOMB(3)

NAME
wcrtomb, c16rtomb, c32rtomb -- convert a wide-character code to a character (restartable) LIBRARY
Standard C Library (libc, -lc) SYNOPSIS
#include <wchar.h> size_t wcrtomb(char * restrict s, wchar_t c, mbstate_t * restrict ps); #include <uchar.h> size_t c16rtomb(char * restrict s, char16_t c, mbstate_t * restrict ps); size_t c32rtomb(char * restrict s, char32_t c, mbstate_t * restrict ps); DESCRIPTION
The wcrtomb(), c16rtomb() and c32rtomb() functions store a multibyte sequence representing the wide character c, including any necessary shift sequences, to the character array s, storing a maximum of MB_CUR_MAX bytes. If s is NULL, these functions behave as if s pointed to an internal buffer and c was a null wide character (L''). The mbstate_t argument, ps, is used to keep track of the shift state. If it is NULL, these functions use an internal, static mbstate_t object, which is initialized to the initial conversion state at program startup. As certain multibyte characters may only be represented by a series of 16-bit characters, the c16rtomb() may need to invoked multiple times before a multibyte sequence is returned. RETURN VALUES
These functions return the length (in bytes) of the multibyte sequence needed to represent c, or (size_t)-1 if c is not a valid wide charac- ter code. ERRORS
The wcrtomb(), c16rtomb() and c32rtomb() functions will fail if: [EILSEQ] An invalid wide character code was specified. [EINVAL] The conversion state is invalid. SEE ALSO
mbrtowc(3), multibyte(3), setlocale(3), wctomb(3) STANDARDS
The wcrtomb(), c16rtomb() and c32rtomb() functions conform to ISO/IEC 9899:2011 (``ISO C11''). BSD
May 21, 2013 BSD
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